N 9th St Air Quality

Monitoring Station · Center City, United States
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 10pm
42
42
42 1am
44
44
44 4am
44
44
44 7am
44
44
44 10am
44
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— 1pm
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— 4pm
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— 7pm
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CAMS model adj +17
25
25
25
25
27
27
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.56.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

29
1401 John F Kennedy Blvd
0.9 km PM2.5: 6.9 µg/m³
23
807 Lombard St
1.1 km PM2.5: 5.5 µg/m³
27
315 N 18th St
1.4 km PM2.5: 6.5 µg/m³
27
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 6.4 µg/m³
24
1901 Walnut St
1.6 km PM2.5: 5.7 µg/m³
28
2100 Pine St
2.0 km PM2.5: 6.7 µg/m³
4
Annin Street, Philadlephia
2.1 km PM2.5: 1.0 µg/m³
25
S Christopher Columbus Blvd
2.1 km PM2.5: 5.9 µg/m³

Nearby Cities

27 Center City 28 Philadelphia 25 Rittenhouse 27 Fishtown 27 Pennsport 30 Wharton 25 Point Breeze 26 University City 29 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T01:02 UTC.